nugatory

Invalid; lacking legal force. A statute is nugatory if it has been declared unconstitutional.

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nugatory adj. of no force or effect; invalid. Example: statute which is unconstitutional is a nugatory law.

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nugatory adjective fatuous, frivolous, frothy, futile, immaterial, inadequate, inane, inapt, incompetent, ineffective, ineffectual, inefficacious, inept, insignificant, insubstantial, inutile, invalid, irrelevant, jejune, null, null and void, otiose, paltry, petty, purposeless, slight, superficial, trifling, trivial, unavailing, unfruitful, unimportant, unproductive, unprofitable, useless, vain, valueless, void, worthless

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See also: collateral, expendable, futile, immaterial, inactive, inadequate, inconsequential, inconsiderable, ineffective, ineffectual, insignificant, invalid, minor, negligible, null, null and void, otiose, paltry, petty, powerless, slight, trivial, unavailing, unproductive, void